package com.xz.springcloud.dao;

import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Param;

/**
 * @Author：xz
 * @Date：2023/3/21
 */
@Mapper
public interface StorageDao {
    //扣减库存
    void decrease(@Param("productId") Long productId, @Param("count") Integer count);

}
